One of the most sacred Vaishnava temples in Tamil Nadu, the Kalyana Venkataramana Swamy temple is located in Thanthondrimalai, 4 km south of Karur. It is also known as ‘Then Thirupathi’, meaning Thirupathi of the south. Thousands of people visit this temple on the Saturdays of the Tamil month Puratasi to seek the blessings of Lord Vishnu.